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import type { Observer } from './common';
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/**
 *
 * getLocalHorizon()
 *
 * Calculates the local horizon depression for a given observer (in degrees).
 *
 * @param h - The observer for which to calculate the local horizon depression., or a number representing
 * the observer's elevation above sea level (in SI metres).
 * @param k - The observer's atmospheric refraction (unitless)
 * @returns The local horizon depression (in degrees).
 */
export declare const getLocalHorizon: (h: number | Observer, k?: number) => number;
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